Garrison is both a surname and a given name. Notable people with the name include:
Surname:
Carol Garrison (born 1952), President of the University of Alabama at Birmingham from 2002 to 2012
C. K. Garrison, entrepreneur and Mayor of San Francisco (1853–54)
Fielding Hudson Garrison (1870–1935), American scholar of the history of medicine
Ford Garrison (1915–2001), Major League Baseball outfielder
Gary Garrison (born 1944), American professional football player
Harry Harrison (writer) (1925–2012), American science fiction author
Jason Garrison (born 1984), Canadian professional ice hockey player
Jennifer Garrison (born 1962), American politician from Ohio
Jim Garrison (1921–1992), Louisiana district attorney, investigator of John F. Kennedy assassination
Jimmy Garrison (1933–1976), American jazz double bassist
Matthew Garrison (born 1970), American jazz electric bassist
Lane Garrison (born 1980), American actor
Lindley Miller Garrison (1864–1932), US Secretary of War under President Woodrow Wilson
Orestes Garrison (1813-1874), American politician
Roger Garrison (born 1944), American economist
Sean Garrison (born 1937), American actor
Sidney Clarence Garrison (1885-1945), American educator and psychologist.
T. Ed Garrison, Jr. (1922–2013), American farmer and politician
Walt Garrison (born 1944), former National Football League player
William Lloyd Garrison (1805–1879), American abolitionist leader
William F. Garrison, United States Army major general
William Garrison (geographer) (born 1924), American civil engineer and geographer
Zina Garrison (born 1963), former professional tennis player
Given name:
Garrison Hearst (born 1971), American football running back
Garrison Keillor (born 1942), American author and radio host of A Prairie Home Companion
Garrison Sanborn (born 1985), American football long snapper
Fictional characters:
C.J. Garrison, on the soap opera The Bold and the Beautiful
Clarke Garrison, on The Bold and the Beautiful
Herbert Garrison, aka Mr./Mrs. Garrison, from the television program South Park
Garrison Kane, in the Marvel Comics universe